To calculate the specific heat capacity of a material, the mass of the material needs to be measured. State the name of a measuring instruments need to measure the mass.
Back
Card 7
Front
The cooling fins are a ....... colour because that makes them good emitters of infrared radiation.
Back
Card 8
Front
The larger surface area of the cooling fins allows the air around the can-chiller to gain energy quickly and rise transferring energy by ..........
Back
Card 9
Front
Energy can be transferred usefully, stored or dissipated, but cannot be ........ or destroyed.
Back
Card 10
Front
The temperature of the can of drinks decreases while it is in the can-chiller. What happens to the temperature of the air around the cooling fins?
Back
Card 11
Front
Suggest one reason why a solar thermal power station is built in a hot desert
Back
Card 12
Front
Give one reason why wind turbine do not generate electricity all the time?
Back
Card 13
Front
Give one advantage of using wind turbine to generate electricity compared with using fossil fuels
Back
Card 14
Front
What is meant by the term U-value?
Back
Card 15
Front
How is the U-value affected by increasing the amount of insulation?